The Daikin Cooling-Only Outdoor Unit RKN09KEVJU is a high-efficiency air conditioning solution designed for optimal cooling performance. This unit is ideal for residential and commercial applications, ensuring reliable operation and energy savings. Experience superior comfort with Daikin's advanced technology and robust design.

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Manual for Daikin Cooling-Only Outdoor Unit RKN09KEVJU

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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

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Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Daikin Cooling-Only Outdoor Unit RKN09KEVJU

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Maintenance Plans for Daikin Cooling-Only Outdoor Unit Model RKN09KEVJU

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Power Module Check

Warning: Ensure that the voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V before proceeding.

Voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V?

Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the connector, press the protrusion on the connector.

Compressor harness connector successfully disconnected?

Measure resistance between the terminals of the DB1 and the terminals of the compressor with a multi-tester.

Enter the resistance measurement

Is the resistance measurement within the acceptable range?

Sign off on the power module check

Run this procedure

Horizontal Blade Removal

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Open the horizontal blade.

Unfasten the center shaft while bending the horizontal blade slightly.

Cautions for reassembling: Since the key pattern hook is provided, rotate the horizontal blade and fit it to the right shaft first.

Fit the horizontal blade to the center and left shafts.

Unfasten the left shaft of the horizontal blade.

Unfasten the right shaft of the horizontal blade.

Remove the horizontal blade.

Sign off on the blade removal process

Run this procedure

Fan Rotor / Fan Motor Removal

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Remove the right side panel.

Preparation

Remove the indoor heat exchanger according to the “Removal of Indoor Heat Exchanger”.

1 Remove the screw of the right side panel.

2 Unfasten the hook of the right side panel.

3 Remove the right side panel.

2. Remove the fan rotor and the fan motor.

1 The fan motor has 3 projections on the right side.

Run this procedure

Thermistor Resistance Check

Warning: Disconnect the connectors of the thermistors from the PCB before proceeding

Thermistors disconnected from the PCB?

Measure the resistance of each thermistor using tester

Select the model of the thermistor

For the models in which the thermistor is directly mounted on the PCB, disconnect the connector for the PCB and measure

Thermistor disconnected from the PCB for direct mounted models?

Measure the resistance of the directly mounted thermistor

Sign off on the thermistor resistance check

Run this procedure

Air Filter Removal

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Appearance features

Warning

Dangerous: High voltage

A high voltage is applied to all the electric circuits of this product including thermistors.

When a signal from the remote controller is received, the receiving tone sounds and the operation lamp flickers immediately to confirm the signal reception.

When the ON/OFF button is kept pressed for 5 seconds, the forced cooling operation is performed for about 15 minutes.

2. Remove the air filters.

1 Open the front panel to the position where it stops.

Run this procedure